Prime-Line N 7025 Door Hinge, Bi-Fold, Non-Mortise, Steel, Brass

N 7025 is a set of brass-plated bi-fold door hinges. They are the non-mortise style used by very many bi-fold door manufacturers. Made of stamped steel, the hinges are a flag design. That is, that one hinge extends to the left while the other extends to the right.